Have our trucks got too much power yet?
I've often thought about all the energy being wasted with braking applications and exhaust braking on down grades. It's only a matter of time before our rvs will have electric drive axles to help hold...
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A small engine at a higher power setting is more thermally efficient than a larger engine at a lower power setting. That's why the Rutan Voyager shut down its larger engine when it got to altitude and just used its smaller engine in cruise during its round the world flight.
